WO2019071973A1 - Débitmètre bidirectionnel conçu pour être utilisé dans un orifice d'aspiration de sel d'un appareil d'adoucissement d'eau - Google Patents

Débitmètre bidirectionnel conçu pour être utilisé dans un orifice d'aspiration de sel d'un appareil d'adoucissement d'eau Download PDF

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Publication number
WO2019071973A1
WO2019071973A1 PCT/CN2018/090636 CN2018090636W WO2019071973A1 WO 2019071973 A1 WO2019071973 A1 WO 2019071973A1 CN 2018090636 W CN2018090636 W CN 2018090636W WO 2019071973 A1 WO2019071973 A1 WO 2019071973A1
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WO
WIPO (PCT)
Prior art keywords
flow meter
flowmeter
impeller
housing
salt
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Ceased
Application number
PCT/CN2018/090636
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English (en)
Chinese (zh)
Inventor
马旭光
薛永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Fobrite Environmental Technology Co Ltd
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Nanjing Fobrite Environmental Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Fobrite Environmental Technology Co Ltd filed Critical Nanjing Fobrite Environmental Technology Co Ltd
Publication of WO2019071973A1 publication Critical patent/WO2019071973A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/18—Supports or connecting means for meters

Definitions

  • the invention relates to a soft water treatment device, in particular to a two-way flow meter for use in a salt water outlet of a soft water device.
  • the basic principle of soft water treatment equipment is to replace the calcium and magnesium ions in water by chemical reaction between resin and water, which plays a role in water softening.
  • the resin can be recycled.
  • the salt can be chemically reacted with the resin to re-establish the soft water function. This function of using brine to reconstitute the resin with soft water is called regeneration.
  • the control valve generally divides the resin into the following steps: backwashing, salt absorption, washing and water injection.
  • backwashing is to backflush the resin from bottom to top, and to disperse the resin, in preparation for the next step of salt absorption, so that the brine and the resin can be more fully contacted.
  • the salt absorption function is to chemically react the salt water into the resin tank to react with the resin, so that the resin has the function of soft water again.
  • the water compresses the resin from top to bottom, so that the water flow through the resin slows down during the soft water process, allowing the resin to soften the water more fully.
  • Water injection refers to the injection of water into the salt tank for salt dissolution, in preparation for salt absorption in the next regeneration. A certain amount of salt is consumed for each regeneration.
  • Soft water treatment equipment generally controls the multi-way water flow through the control valve to realize the resin regeneration operation.
  • the control valve is provided with a plurality of pipeline interfaces, one of which is a salt suction port.
  • the control valve sucks the salt liquid in the salt tank through the salt absorption port into the pipeline inside the control valve, and then passes the control valve and The pipeline connection connected to the resin tank is injected into the resin tank.
  • the pipeline circulation path in the control valve is switched accordingly, and the clean water is first introduced into the inner tube of the control valve, and then injected into the salt tank through the salt suction port of the control valve.
  • the water flow rate of the salt suction port is generally small, and it is difficult to meet the conditions for starting the flowmeter impeller;
  • the impeller shaft is fixed at a single point and is inclined downward by a small angle of gravity. When the water flows, the water flow is required to first lift the impeller to start the rotation.
  • a rubber pad is generally installed in the salt suction port of the control valve, and an opening is formed in the center of the rubber pad to keep a certain flow rate when the water flows through the hole, when the flow rate increases. Then the rubber mat is deformed, and the middle opening becomes small, so that the water flow becomes slow. The amount of water injected is then calculated by the passage of the water flow.
  • This measurement method is fuzzy measurement, and the deviation is large.
  • the current soft water treatment equipment cannot effectively measure the water injection amount and salt absorption amount through the salt suction port of the control valve.
  • the object of the present invention is to provide a two-way flow meter for use in a salt water suction port of a soft water device according to the prior art problem, and the water metering amount and the salt absorption amount of the salt suction port of the control valve can be accurately measured by the flow meter. .
  • a two-way flowmeter for use in a salt water outlet of a soft water device including a water pipe, a quick joint assembly, a Hall element assembly, a flow meter main assembly, and a 90° curved joint. , flow meter bracket;
  • the flowmeter main assembly comprises a flowmeter housing, two flowmeter shunts are arranged at a middle of the inner cavity of the flowmeter housing, the flowmeter shunt comprises an inner ring and an outer ring, and the flowmeter shunt outer ring is fixed in the inner cavity of the flowmeter housing
  • the flowmeter shunt outer ring and the inner ring are connected by a plurality of ribs, and a bushing is arranged in the inner ring of the flowmeter shunt, and an impeller is arranged between the two flowmeter shunts, and the impeller is uniformly distributed on the circumference.
  • the Hall element assembly includes a magnetic induction probe disposed at a position corresponding to the impeller of the flowmeter housing;
  • One end of the water pipe is connected to one end of the inner cavity of the flowmeter casing through a quick joint assembly, and the other end of the water pipe is connected to a salt tank of the soft water device;
  • One end of the 90° bend joint is connected to the other end of the inner chamber of the flowmeter casing through a quick joint assembly, and the other end of the 90° bend joint is connected to the salt suction port of the control valve of the soft water device;
  • the flow meter bracket is for supporting a flow meter housing.
  • the side of the flowmeter splitter inner ring away from the impeller has an arc-shaped tapered surface.
  • the central axis of the impeller is matched with the bushing gap, and both ends of the impeller central shaft are embedded in the corundum, and the corundum is fixed on the inner wall of the bushing.
  • the quick connector assembly comprises a quick-connecting shell and a guide sleeve, and a distal end of the quick-connecting shell is provided with a male threaded joint, and the external threaded joint is screwed tightly with the screw end of the inner cavity of the flowmeter housing, and the guiding sleeve is fastened.
  • the front end of the inner cavity of the outer casing is inserted into the card slot of the inner cavity wall of the outer casing, and the inner wall of the guide sleeve is provided with an inverted buckle.
  • annular convex portion a is disposed between the inner cavity of the quick-connect housing and the inner hole of the externally threaded joint, and the inner-hole of the externally threaded joint is provided with a salt road shunt, and the salt road shunt includes a shunt sleeve and a rubber washer, and the shunt
  • the sleeve is fixed on the inner wall of the externally threaded joint, one end of the shunt sleeve is in close contact with the annular convex portion a, and the other end of the shunt sleeve is provided with an annular convex portion b, and an annular groove is formed between the annular convex portion b and the annular convex portion a.
  • the rubber gasket is disposed in the annular groove, and a gap is left between the outer circumference of the rubber gasket and the diverter sleeve, and between the two sides of the rubber gasket and the annular convex portion a and the annular convex portion b.
  • the bottom of the flowmeter casing is provided with a support seat, the support seat is provided with a bracket card slot in the longitudinal direction, the lower end of the flowmeter bracket is fixed, the upper end of the flowmeter bracket is inserted into the bracket card slot, and is vertically opened on the flowmeter bracket.
  • the adjusting slot is provided with a through hole extending through the flowmeter bracket and the support base in the horizontal direction, and the screw penetrates into the through hole and is locked by a nut.
  • the flow rate of the flowmeter is small, which meets the measurement requirements of small water flow
  • the amount of water injection and salt absorption can be measured by the flow meter, more accurate;
  • the two ends of the flowmeter are designed for quick connection.
  • the installation method can realize quick connection, plug and play, which can realize the quick connection of the pipeline for liquid in and out, which can effectively improve assembly and production efficiency, save cost and avoid the disadvantages of threaded connection. ;
  • the water pipe assembled at both ends of the quick joint is a general pipe diameter, which can facilitate the transformation of existing equipment and the operation of the transformation process is very convenient and quick;
  • the flowmeter device is small in size and can adapt to the situation that the installation space of the water softener is small.
  • Figure 1 is a schematic view showing the structure of a salt suction port of a control valve of a conventional soft water device
  • FIG. 2 is an outline view of a two-way flow meter for use in a salt suction port of a soft water device according to the present invention
  • Figure 3 is a cross-sectional view of a two-way flow meter for use in a salt suction port of a soft water device of the present invention
  • FIG. 4 is a schematic structural view of a flowmeter main assembly
  • Figure 5 is a schematic structural view of an impeller
  • Figure 6 is a schematic view showing the installation of magnetic steel
  • Figure 7 is a schematic structural view of a quick connector assembly
  • Figure 8 is a cross-sectional view of the guide sleeve
  • Figure 9 is an end view of the guide sleeve
  • Figure 10 is a schematic view showing the installation of the Hall element assembly and the flow meter bracket
  • Figure 11 is a schematic view showing the installation of the flowmeter bracket.
  • a two-way flow meter for use in a soft water device salt suction port of the present invention includes a water pipe 3, a quick joint assembly 4, a Hall element assembly 5, a flow meter body assembly 6, and a 90° bend. Connector 7, flow meter bracket 8.
  • the flowmeter main assembly 6 includes a flowmeter housing 6-1, and two flowmeter shunts 6-4 are disposed at the middle of the inner cavity of the flowmeter housing 6-1, and the flowmeter shunt 6- 4 includes the inner ring and the outer ring, the outer ring of the flowmeter shunt 6-4 is fixed on the inner wall of the flowmeter casing 6-1 by an interference fit, and the flowmeter shunt 6-4 between the outer ring and the inner ring Connected by a plurality of ribs, a bushing 6-6 is arranged in the inner circumference of the flow meter shunt 6-4, and an impeller 6-7 is arranged between the two flow meter shunts 6-4, and the impeller 6-7 is circumferentially
  • the cloth has a plurality of blades 6-9, and between the two adjacent blades 6-9, a magnetic steel 6-8 is provided, and both ends of the central shaft of the impeller 6-7 penetrate into the bushing 6-6.
  • the central shaft of the impeller 6-7 is made of stainless steel, the ends are spherical with very high roundness, the center of the impeller 6-7 has a groove in the middle, and the impeller 6-7 is a plastic injection molded part.
  • the impeller 6- The inner hole portion of the 7 is plastically embedded in the central shaft groove of the impeller 6-7, so that the impeller 6-7 and the central axis of the impeller 6-7 can be fixed, and the impeller 6-7 does not axially move.
  • the central axis of the impeller 6-7 is clearance-fitted with the bushing 6-6, the central axis of the impeller 6-7 is freely rotatable within the bushing 6-6, and the spherical end of the impeller 6-7 is axially embedded with corundum 6
  • the corundum 6-5 is fixed to the inner wall of the bushing 6-6 by an interference fit. Since corundum 6-5 has the characteristics of high hardness and good wear resistance, the friction of the central shaft of the impeller 6-7 can be very small, and the service life of the flowmeter main assembly 6 can be greatly improved.
  • the blades 6-9 and the impeller 6-7 can be rotated, in order to reduce the resistance of the water flow inside the flowmeter main assembly 6,
  • the side of the inner flow splitter 6-4 away from the impeller 6-7 has a curved tapered surface 6-12, so that the water flow can be dispersed into a uniform ring under the guiding action of the curved tapered surface 6-12.
  • the flow of water then flows through the vanes 6-9, minimizing the loss of water flow energy within the flow meter body assembly 6. So the entire impeller 6-7 volume can be made very small, less than half of the existing impeller.
  • the Hall element assembly 5 includes a magnetic induction probe 5-1 disposed at a position corresponding to the impeller 6-7 of the flowmeter housing 6-1.
  • Magnetic steel 6-8 has metal magnetic parts, which can be combined with magnetic induction probe 5-1 to realize the counting function.
  • the magnetic steel 6-8 has a large mass.
  • the general flowmeter has a large volume, and the distance between the impeller and the shaft center is also large. In order to ensure that it can be detected by the Hall element 5, the magnetic steel can only be placed as close as possible to the edge of the impeller.
  • the impeller 6-7 of this flowmeter is small in volume, and the distance between the impeller 6-7 and the central axis is also small, which ensures that the magnetic steel 6-8 is within the detection range of the magnetic induction probe 5-1, thus starting the impeller 6- 7
  • the starting force of the rotation will be relatively small, and the flow demand for water flow is small.
  • one end of the water pipe 3 is connected to one end of the inner cavity of the flowmeter casing 6-1 through a quick joint assembly 4, and the other end of the water pipe 3 is connected to a salt tank of a soft water device;
  • One end of the bent joint 7 is connected to the other end of the inner cavity of the flowmeter casing 6-1 through the quick joint assembly 4, and the other end of the 90° curved joint 7 is connected to the control valve suction port of the soft water equipment.
  • the quick connector assembly 4 includes a quick-connect housing 4-1 and a guide sleeve 4-2.
  • the rear end of the quick-connect housing 4-1 is provided with an externally threaded joint 4-5, and the externally threaded joint 4-5 is
  • the screw holes on both ends of the inner cavity of the flowmeter housing 6-1 are tightly fitted, and the guide sleeve 4-2 is inserted into the front end of the inner cavity of the quick-connect housing 4-1, and the latch 4-6 of the outer ring of the guide sleeve 4-2 is inserted into the outer casing.
  • 4-1 In the slot of the inner cavity wall, the inner wall of the guide sleeve 4-2 is provided with an undercut 4-7.
  • the guide sleeve 4-2, the ear 4-6, and the inverted buckle 4-7 are made of metal, and the three can be integrally molded by injection molding.
  • Figure 7 shows the connection state of the water pipe 3 and the quick connector assembly 4, the end of the water pipe 3 is inserted into the guide sleeve 4-2 and extended into the inner cavity of the quick-connect housing 4-1, and the reverse buckle 4-7 prevents the water pipe 3 from The guide sleeve 4-2 slips off, and the greater the force pulling the water pipe 3, the greater the grip force of the inverted buckle 4-7 on the water pipe 3, and the more difficult the water pipe 3 is to be detached.
  • the 90° bend joint 7 is also connected to the guide sleeve 4-2 of the quick joint assembly 4 in the same assembly.
  • a water pipe is provided between the outer circle of the water pipe 3 and the inner wall of the quick-connect casing 4-1, the outer circumference of the 90° curved joint 7 and the inner wall of the quick-connect outer casing 4-1.
  • the sealing ring 4-3 is provided with a flowmeter sealing ring 4-4 on the outer circumference of the externally threaded joint 4-5.
  • annular projection a4-8 is provided between the inner cavity of the quick-connect housing 4-1 and the inner threaded joint 4-5, and the inner threaded joint 4-5 is provided with a salt hole.
  • the road splitter, the salt road splitter comprises a split sleeve 6-3 and a rubber washer 6-2, and the split sleeve 6-3 is fixed on the inner wall of the externally threaded joint 4-5 by an interference fit, and the split sleeve 6-3 is end Adjacent to the annular projection a4-8, the other end of the diverting sleeve 6-3 is provided with an annular convex portion b6-10, and an annular groove is formed between the annular convex portion b6-10 and the annular convex portion a4-8, and the rubber gasket 6-2 is disposed in the annular groove, between the outer circumference of the rubber gasket 6-2 and the diverting sleeve 6-3, between the two sides of the rubber gasket 6-2 and
  • the rubber washer 6-2 is made of rubber with a round hole in the middle.
  • the rubber washer 6-2 is movable in the axial direction and the outer radial direction in the annular groove.
  • the rubber washer 6-2 is moved by the thrust to the impeller 6-7, and is pressed onto the annular boss b6-10.
  • the sealing action allows the water flow to pass only through the intermediate round hole, and the maximum flow rate of the flow meter can be controlled by the aperture of the rubber gasket 6-2.
  • the flow meter holder 8 is used to support the flow meter housing 6-1.
  • the bottom of the flowmeter housing 6-1 is provided with a support base 6-11, and the support base 6-11 is provided with a bracket card slot in the longitudinal direction, the lower end of the flowmeter bracket 8 is fixed, and the upper end of the flowmeter bracket 8 is engaged with the bracket.
  • an adjustment slot 8-1 is opened in the longitudinal direction on the flowmeter bracket 8
  • a through hole penetrating the flowmeter bracket 8 and the support base 6-11 is opened in the horizontal direction of the bottom of the adjustment slot 8-1
  • the screw 8-2 Pass through the through hole and lock it with the nut 8-3.
  • the upper end of the flow meter bracket 8 and the support base 6-11 slide up and down along the bracket card slot, so as to adjust the height of the support flow meter housing 6-1.
  • the main part of the flowmeter is assembled: the corundum 6-5 is fitted into the bushing 6-6, the bushing 6-6 is loaded into the inner ring of the flowmeter shunt 6-4, and one of the flowmeter shunts 6-4 is inserted into the flowmeter In the outer casing 6-1, one end of the central shaft of the impeller 6-7 is inserted into the inner ring bushing 6-6 of the flowmeter shunt 6-4, and the other flowmeter shunt 6-4 is inserted into the flowmeter casing 6- 1 and the other end of the central shaft of the impeller 6-7 is loaded into the inner ring bushing 6-6 of the flow meter shunt 6-4;
  • Quick joint assembly 4 assembly Install the water pipe seal 4-3 into the inner cavity of the quick-connect casing 4-1, insert the guide bush 4-2, and place the flowmeter seal ring 4-4 on the outer ring of the externally threaded joint 4-5. , then insert the salt road diverter into the inner hole of the male connector 4-5.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

L'invention concerne un débitmètre bidirectionnel conçu pour être utilisé dans un orifice d'aspiration de sel d'un appareil d'adoucissement d'eau, le débitmètre comprenant un ensemble corps de débitmètre (6). L'ensemble corps de débitmètre (6) comprend un boîtier de débitmètre (6-1). Deux diviseurs d'écoulement (6-4) sont disposés dans une partie centrale de la cavité de boîtier de débitmètre (6-1). Une bague externe des diviseurs d'écoulement (6-4) est fixée à la paroi de la cavité de boîtier de débitmètre (6-1). Un revêtement (6-6) est disposé sur un anneau interne des diviseurs d'écoulement (6-4). Un rotor (6-7) est situé entre les deux diviseurs d'écoulement (6-4), et des pales (6-9) sont situées autour de la circonférence du rotor (6-7). Un aimant en acier (6-8) est disposé entre deux pales (6-9). Les deux extrémités de l'arbre central du rotor (6-7) pénètrent dans la doublure (6-6). Une sonde d'induction magnétique (5-1) d'un ensemble élément à effet Hall (5) est disposée à une position correspondant au boîtier de débitmètre (6-1) et au rotor (6-7). Un tuyau d'eau (3) et un coude à 90 ° (7) sont tous deux reliés aux extrémités de la cavité de boîtier de débitmètre (6-1) au moyen d'ensembles de raccordement rapide (4). Le débitmètre peut mesurer avec précision le volume d'eau injectée et le sel passant à travers l'orifice d'aspiration de sel de soupape de commande.
PCT/CN2018/090636 2017-10-09 2018-06-11 Débitmètre bidirectionnel conçu pour être utilisé dans un orifice d'aspiration de sel d'un appareil d'adoucissement d'eau Ceased WO2019071973A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710929107.8A CN107588812A (zh) 2017-10-09 2017-10-09 一种可供软水设备吸盐口使用的双向流量计
CN201710929107.8 2017-10-09

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WO2019071973A1 true WO2019071973A1 (fr) 2019-04-18

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PCT/CN2018/090636 Ceased WO2019071973A1 (fr) 2017-10-09 2018-06-11 Débitmètre bidirectionnel conçu pour être utilisé dans un orifice d'aspiration de sel d'un appareil d'adoucissement d'eau

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WO (1) WO2019071973A1 (fr)

Cited By (1)

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CN117213433A (zh) * 2023-10-08 2023-12-12 宁波国信仪表科技有限公司 一种仪表偏转检测装置

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CN107588812A (zh) * 2017-10-09 2018-01-16 南京福碧源环境技术有限公司 一种可供软水设备吸盐口使用的双向流量计
CN108303147A (zh) * 2018-03-07 2018-07-20 合肥云峰信息科技有限公司 一种智能型管道流体流量检测装备
CN118882767B (zh) * 2024-09-27 2024-12-17 河北丰源智控科技股份有限公司 一种精确到l位的双向计量水表

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EP0516509A1 (fr) * 1991-05-24 1992-12-02 Schlumberger Industries Système d'entraînement magnétique et compteur, notamment compteur d'eau, comportant un tel système
WO2010141979A1 (fr) * 2009-06-11 2010-12-16 Matthew Samuel Whitnall Débitmètre
CN205426242U (zh) * 2016-03-08 2016-08-03 钛能科技股份有限公司 对称导流式涡轮流量计
CN205719117U (zh) * 2016-04-07 2016-11-23 广州极飞科技有限公司 液体流量计及无人机
CN205919858U (zh) * 2016-07-14 2017-02-01 浙江裕顺仪表有限公司 一种耐磨宽量程型液体涡轮流量计
CN107588812A (zh) * 2017-10-09 2018-01-16 南京福碧源环境技术有限公司 一种可供软水设备吸盐口使用的双向流量计
CN207248250U (zh) * 2017-10-09 2018-04-17 南京福碧源环境技术有限公司 一种可供软水设备吸盐口使用的双向流量计

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Publication number Priority date Publication date Assignee Title
CN117213433A (zh) * 2023-10-08 2023-12-12 宁波国信仪表科技有限公司 一种仪表偏转检测装置

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